Program of IWOTA 2014 Amsterdam VU university Organizing committee: Tanja Eisner Birgit Jacob Andr´e Ran (chair) Hans Zwart Thanks The organizers gratefully acknowledge support from: Stichting Advancement of Mathematics IWOTA Steering Committee: T. Ando (Sapporo), J.A. Ball (Blacksburg), H. Bart (Rotter- dam), T. Bhattacharyya (Bangalore), J. Behrndt (Berlin), H. Bercovici (Bloomington), V. Bolot- nikov(Williamsburg),R.E.Curto(IowaCity),A.F.dosSantos(Lisbon),A.Dijksma(Groningen), M. Dritschel (Newcastle), H. Dym (Rehovot), T. ter Elst (Auckland), K.-H. Foerster (Berlin), C. Foias (Bloomington), J.J. Grobler (Potchefstroom), G.J. Groenewald (Potchefstroom), J.W. Helton (La Jolla), I.B. Jung (Seoul), M.A. Kaashoek (Amsterdam), M. Klaus (Blacksburg), H. Langer (Vienna), W.Y. Lee (Seoul), C.V.M. van der Mee (Cagliari), R. Mennicken (Regens- burg),A.MontesRodriguez(Seville),N.K.Nikolskii(Bordeaux),V.Olshevsky(Storrs),P.Portal (Lille, temp. Canberra), D. Potapov (Sydney), L. Rodman (Williamsburg), S. Seatzu (Cagliari), I.Spitkovsky(Williamsburg),G.Stampfli(Bloomington),C.Trunk(Ilmenau),N.Vasilevski(Mex- ico City), V. Vinnikov (Beer-Sheva), N. Young (Leeds). Previous IWOTA meetings. Santa Monica (CA, USA) [1981], Rehovot (Israel) [1983], Am- sterdam (Netherlands) [1985], Mesa (AZ, USA) [1987], Rotterdam (Netherlands) [1989], Sap- poro (Japan) [1991], Vienna (Austria) [1993], Regensburg (Germany) [1995], Bloomington (IN, USA) [1996], Groningen (Netherlands) [1998], Bordeaux (France) [2000], Faro (Portugal) [2000], Blacksburg (VA, USA) [2002], Cagliari (Italia) [2003], Newcastle (UK) [2004], Storrs (CT, USA) [2005],Seoul(Korea)[2006],Potchefstroom(SouthAfrica)[2007],Williamsburg(VA,USA)[2008], Guanajuato (M´exico) [2009], Berlin (Germany) [2010], Seville (Spain) [2011], Sydney (Australia) [2012], Bangalore (India) [2013] . 2 Three special occasions Theyear2014marksthreespecialoccasions: itwouldhavebeenthe100thanniversaryofVladimir PetrovichPotapov,itisthe80thbirthdayofDamirArov,andthe65thbirthdayofLeibaRodman. The latter two events will be celebrated at the conference on Tuesday and Thursday, respectively. Vladimir Petrovich PotapovwasbornonJanuary24,1914inOdessainthefamilyofaprivat- docent in the historical-filological department of the Newrussian University. He was taught by his parents, and didn’t go to school up to class 10. After three years of music study (piano) in the Odessaconservatorium, Potapovbecameastudentofthemath-physicsdepartmentoftheOdessa University. He studied there from 1934 to 1939, attending lectures from, among others, M.G. Kre˘ın and B. Ya. Levin. V.P. Potapov was chief of mathematical division and later dean of the department of physics and mathematics of the Odessa Pedagogical Institute (1948–1956). Thanks to him many mathemati- cians from the Kre˘ın school, who couldn’t work at Odessa University in view of the so-called fifth paragraph, were employed at Odessa Pedagogical Institute. Among them were M.S. Livshic, D.P. Milman, M.A. Rutman, and M.S. Brodskii. At that time also L.A. Sahnovich, E.Ya. Melamud, Yu.P. Ginzburg, and D.Z. Arov were graduate students in this institute. At the end of his life PotapovwasthechiefofAppliedmathematicaldepartmentoftheInstituteoflowertemperaturein Kharkov(1976–1980). HisseminarsinOdessaandthaninKharkovonthetheoryofJ-contractive matrixfunctionsandrelatedproblemsattractedmanymathematicianswhoareactiveinthisarea, and important contributions in this area were frequently presented first at this seminar. A more extensive biography and a photo of V.P. Potapov can be found in Operator Theory Advances and Applications volume 95. (The organizers are grateful to Dima Arov for providing the short biography above.) 3 Venue: Department of Mathematics, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam To reach the Vrije Universiteit from the city centre, use the GVB ticket that is provided in the conference material. This ticket will give you free public transport within the city of Amsterdam for six days after the first activation. Take either tram line 5 (from city centre) or the bus line 55 (e.g., from Amstel Station when you are staying at hotel Casa 400) in the direction of Amstelveen. Get off at the stop called VU (immediately after the stop Station Zuid/WTC). When exiting the tram 5 turn left on the platform and walk to the south side of it. Bus 55 stops directly at this point. There, turn right, crossing the street (careful please!!!!). In front of you is now a footpath and bike-path. Follow it, passing underneath a grey building (marked ”Initium” on the map below). In front of you is a blue, low building (marked ”TenT” on the map below). Continue straight, keeping that building on your left hand side. Keep on going straight, untill a parkinglotopensuptoyourleft. There,turnleft,andenterthelongbuildingthatisnowinfront of you at the entrance marked 1085. Enter into the building, and follow the signs to get to the registration desk. There are also other ways of reaching the VU campus if your hotel is not directly in reach of lines 5 or 55. Tram lines 16 and 24 stop in front of the main building (marked ”Hoofdgebouw”). Many buses also stop within easy walking distance of the conference location. Metro line 50 has a stop at station Amsterdam Zuid/WTC. To reach the VU from Station Zuid/WTC you can take tram line 5 or bus line 55 in the direction of Amstelveen (one stop), or, if you feel like a short walk, it is possible to walk it (count on ten to fifteen minutes if you don’t know the way). PLATTEGROND VU CAMPUS EN VU MEDISCH CENTRUM METRO, A 10 P TREIN, WTC ZUID GUSTAV MAHLERLAAN CCA P P ACTA POLIKLINIEK TAXI 3004 1118 Tram: 16, 24 Bus: 176, 241, 242, 310 DE BOELELAAN Tram: 16, 24 Bus: 176, 241, 242, 310 AMSTELVEENSEWG P VU MEDISCH11 C1E7NTRUM ECHORSTSTRAAT 3ME1-ne57ed-ris9Transitoriumgciehbeedrijf P BaPPsketO1Z1W09 1B0e9l11lae0HV9ToBU11eoe1nfzd0Tog5eekbeorusw111In00i17ti7um Tram: 5, 51ELDERTSELAAN 3Metropolitan BO Faculteit NV VD 1085 W & N gebouw 1081 UITE 13 B Kinderrijk HORTUS BOTANICUS 8 A.J. ERNSTLAAN UILENSTEDE AMSTELVEEN AMSTELVEEN 4 Social Program There are several social events planned during the conference. OnWednesdayafternoontherewillbeaguidedtourthroughtherecentlyrenovatedRijksmuseum. The Rijksmuseum can be reached from the VU by tram line 5. OnThursdaytheconferencedinneristakingplace, startingat19.15inrestaurantRosarium. The conference dinner is included in the regsitration fee for participants of the conference. How to get to the restaurant? The walk takes about 20-25 minutes (see the map below). Find the road that runs behind the Sciences building (the A.J. Ernststraat), and turn onto it in an easterly direction. Walk this road allthewaytotheend,crossthe(double)mainroadattheendandwalkacrossthebridgeintothe park in front of you. The restaurant is now immediately on your right hand side. Halfway down the A.J. Ernststraat there is the possibility to take bus line 62 in the direction of Amstelstation. Get off at the next stop for the restaurant. Alternatively, takebus55tostationRaiandswitchtobus62inthedirectionofStationLelylaan. Again, it is only one stop. How to get from the restaurant to your hotel? To get back from the restaurant to hotel Casa 400 take bus 62 in the direction Amstelstation. To get back to city centre, either take bus 62 to Rai station, and switch to tram line 4, or get back to the VU and take one of the tram lines there. Lunches Lunch is not included in the registration fee. There are several possibilities to have lunch on campus. There is a restaurant in the sciences building, just behind the KC rooms on the ground floor. Thereisasmallsupermarket,”Spar”,oncampus,locatedinthesciencesbuilding. However, it can only be entered from outside the building. On and around the campus there are also other possibilities. 5 General outline of the program of IWOTA 2014 conference Amsterdam, 2014 The program has the following structure: - Every morning from 9:00 to 10:00 there is a plenary lecture in KC 137. - Coffee break from 10:00 to 10:30. - Parallel semi-plenary lectures from 10:30 to 12:00 in KC 137 and KC 159. - Lunch break 12:00-13:30. - On Monday, Tuesday, Thursday and Friday afternoon from 13:30 to 17:30: sessions in the lecture rooms on the sixth floor. - Coffee break from 15:15 to 15:45. - Wednesday afternoon is free. Rooms for the IWOTA 2014 conference are as follows: - The opening session, the plenary lectures and the closing session will be held in KC 137. - Semi-plenary lectures will be held in parallel in KC 137 and KC 159. - Invited sessions and contributed parallel sessions are held on the sixth floor, in rooms in the M, P and S corridors. These can be reached by elevators or stairs. There are two elevators near the stairs, and a larger one in the main corridor. - Coffee and tea breaks will be held in M 0, the main lobby of the Sciences building. The registration desk will also be there, as well as the booth of Birkh¨auser. For a layout of the ground floor see the next page. There is wireless internet available via eduroam. For discussions there are small lecture rooms available close to the rooms where the sessions will beheld: intheMwingofthebuildingonthesixthfloorthereareseveralroomsthataregenerally available. All lecture rooms are equipped with a blackboard, a computer and a beamer. 6 Stairs ators v e El ors Stairs Elevat Entrance Super market k s e d n nt KC 159 Registratio M0 ura a Rest 137 C K ntrance 085 Stairs Elevators E 1 7 Program of IWOTA 2014 List of sessions Title/Organizers Acronym Days Linear operator theory, function theory, and linear systems OTFS Mon,Tue,Thurs Organizers: Joe Ball and Rien Kaashoek Free noncommutative function theory and free real algebraic geometry FN Tue, Thurs Organizers: Bill Helton and Igor Klep Spectral theory for Sturm-Liouville and differential operators SL Mon, Fri Organizers: Jussi Behrndt and Carsten Trunk Clifford analysis and operator theory Cliff Mon Organizers: Daniel Alpay, Fabrizio Colombo, Uwe K¨ahler, Frank Sommen Dynamics of linear operators DLO Thur Organizers: Sophie Grivaux, Catalin Badea, Frederic Bayart Continuous and discrete hypercomplex analysis CDHA Tue Organizers: Paula Cerejeiras and Irene Sabadini Infinite dimensional systems IDS Thurs Organizers: Birgit Jacob and Hans Zwart Semigroups: theory and applications STA Tue, Thurs, Fri Organizers: Andras Batkai and Balint Farkas Free probability and operator theory FPOT Mon Organizers: Roland Speicher, Serban Belinschi and Moritz Weber Toeplitz operators and related topics TOEP Mon, Thurs Organizers: Sergei Grudsky and Nikolai Vasilevski Partial differenatial operators and potential method PDO Tue, Fri Organizers: Roland Duduchava and Vladimir Rabinovich Operator theory and harmonic analysis OTHA Thurs Organizers: Alfonso Montes-Rodriguez, Haakan Hedenhalm and Manuel Cepedello Concrete operators CO Mon Organizer: Alfonso Montes-Rodriguez Contributed talks Contr Mon, Tue, Thurs, Fri Special day on the occasion of the 65th birthday of Leiba Rodman Operators, matrices and indefinite inner products OMII Thurs, Fri Organizers: Christian Mehl and Michal Wojtylak Special day on the occasion of the 80th birthday of Damir Arov Dima Arov’s world DA Tue Organizers: Harry Dym and Olof Staffans 8 9 n sio31 AA es6 TT SS SS 8 n o rr rr rr rr SessiS655 ContCont ContCont ContCont ContCont 7 n AA SessioS623 ContrContr CDHCDH ToepToep ContrContr 6 n o3 SS SS SessiP66 ToepToep OTFOTF OTFOTF 5 n SessioP647 OTFSOTFS PDOPDO DLODLO OMII 4 n AA SessioM655 COCO OTHOTH STASTA 3 sion39 OTOT ntr ntrntr SesM6 FPFP FNFN FNCo CoCo 2 n glance SessioM623 SLSL STASTA IDSContr SLContr a 1 t n rama SessioM607 CliffCliff DADA OMIIOMII PDOContr g o r y P r SemiplenaKC159 terElstBoettcher BatkaiHaase OpmeerFrazho ChillShalit BrownMalamud y n SemiplenarKC137 TretterWyss DymStaffans TrunkBehrndt LancasterMehl DritschelWoerdema n n o PlenaryKC137OpeningTisseur Arov Parrilo Excursio Rodman Partingt 005050 05050 0500 05050 05050 001013 01013 0100 01013 01013 9.0.1.2.5.7. 0.1.2.5.7. 0.1.2.7. 0.1.2.5.7. 0.1.2.5.7. 011111 11111 1111 11111 11111 ------ ----- ---- ----- ----- e 000505 00505 0050 00505 00505 m 503134 03134 0313 03134 03134 Ti 08.09.10.11.13.15. 09.10.11.13.15. 09.10.11.13. 09.10.11.13.15. 09.10.11.13.15. y MondayRoom Tuesday Wednesda Thursday Friday s r o t a r e p o a r r e t s s e. forms ofVolns sessionS655 sessionS655 Committe nts fsectorial heres,normselfunctio Contr2parallelS623and Contr2parallelS623and 014 WOTASteering recentdevelopme KC159TomterElstOnconvergenceo AlbrechtB¨ottcMarkovinequalitiandzerosofBess TOEPInvitedsessionP663 TOEPInvitedsessionP663 TA2 oftheI ultsand ators session session WO behalf calres ofoper OTFSInvitedP647 OTFSInvitedP647 ogramofI nusKaashoekon racteristic:classi QNRandBNR) undedprojections COInvitedsessionM655 COInvitedsessionM655 Pr MondayJuly14RegistrationM0WelcomebytherectoroftheVUKC137FrankvanderDuynSchoutenWelcomebyprofessorsWilliamHeltonandMari FrancoiseTisseurStructuredmatrixpolynomialsandtheirsignchaCoffeebreakM0Semi-plenarylecturesKC13710.30ChristianeTretterQuadraticandblocknumericalranges(andoperatorfunctions11.15ChristianWyssDichotomy,spectralsubspacesandunbo LunchSessionsCliffSLFPOTInvitedsessionInvitedsessionInvitedsessionM607M623M639CoffeebreakSessionsCliffSLFPOTInvitedsessionInvitedsessionInvitedsessionM607M623M639Endofsessions e00 0 0 00 55 0 m05 0 0 03 14 3 Ti08.08. 09. 10. 12.13. 15.15. 17.